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Permo® air, a low resistance air-open underlay. It is the ideal solution where there is a high risk of condensation forming in the roofspace. Being both air open & vapour permeable further minimises the risk of condensation forming, particularly during the drying out period of a building. Available in 2 widths 1.5m x 50 and 1m x 50m.
|Size & Weight|
|Length (?)||50000 mm|
|Max Width (?)||1500 mm|
|Min Width (?)||1000 mm|
|Certifications & Ratings|
|BBA Certificate Number (?)||07/4435|
|Certifications (?)||COSSHH, BBA, DOP|
|Materials & Finishes|
|Material (?)||UV stabilised PP fleece and a high performance Meltblown layer|
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